Cannot get learning lab started; stuck at Introduction to GitHub page (page title in the web browser is "Assign yourself") at this URL: Intro page The page shows the message box "You (sic) repository is being setup...". (Please check that message text for a typo in the message, "You" should be "Your".) I never reach the page to 'assign myself', and cannot start the course. The page seems to be reloading about every 5 seconds. The message box has a link about installing the GitHub Learning Lab app; when I click it, it brings up the page showing settings for my installation, which shows "installed 41 minutes ago" (I've been working on this for a while), and shows Repository Access as "Only select repos, clp/training-kit". I think my setup is OK. When I start at this blog page, and click the Start Learning link, it shows a page with "Your courses" that lists Intro to GitHub, and a Start button. Clicking that Start button shows me your 404 error. When I go to my GH account and open the github-slideshow repo, it has an image link at the bottom (Code, Issues 1, Pull req 0). Clicking that link shows a page with only that same image on a black background; there is no further setup to be done on that page. Thanks for any help.
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